A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 4140-01-136-7493
NSN 5925-01-381-2528
NSN 5855-01-556-0263
NSN 2925-01-032-3814
NSN 6105-00-711-6443
NSN 6685-01-229-9123
NSN 6610-01-501-2024
NSN 5905-00-027-4627
NSN 5965-01-435-6644
NSN 6150-01-644-8817
NSN 5935-01-543-7779
NSN 5945-01-616-2216